Reland "Add Linux support for the Bluetooth API"

device/bluetooth/bluetooth_device_bluez.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "device/bluetooth/bluetooth_device_chromeos.h"
+#include "device/bluetooth/bluetooth_device_bluez.h"
 
 #include <stdio.h>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "dbus/bus.h"
-#include "device/bluetooth/bluetooth_adapter_chromeos.h"
-#include "device/bluetooth/bluetooth_gatt_connection_chromeos.h"
-#include "device/bluetooth/bluetooth_pairing_chromeos.h"
-#include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h"
+#include "device/bluetooth/bluetooth_adapter_bluez.h"
+#include "device/bluetooth/bluetooth_gatt_connection_bluez.h"
+#include "device/bluetooth/bluetooth_pairing_bluez.h"
+#include "device/bluetooth/bluetooth_remote_gatt_service_bluez.h"
 #include "device/bluetooth/bluetooth_socket.h"
-#include "device/bluetooth/bluetooth_socket_chromeos.h"
+#include "device/bluetooth/bluetooth_socket_bluez.h"
 #include "device/bluetooth/bluetooth_socket_thread.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "device/bluetooth/dbus/bluetooth_adapter_client.h"
 #include "device/bluetooth/dbus/bluetooth_device_client.h"
 #include "device/bluetooth/dbus/bluetooth_gatt_service_client.h"
 #include "device/bluetooth/dbus/bluetooth_input_client.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 using device::BluetoothDevice;
@@ skipping 26 matching lines @@
                    uint16* device_id) {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path);
   DCHECK(properties);
 
   std::string modalias = properties->modalias.value();
   BluetoothDevice::VendorIDSource source_value;
   int vendor_value, product_value, device_value;
 
-  if (sscanf(modalias.c_str(), "bluetooth:v%04xp%04xd%04x",
-             &vendor_value, &product_value, &device_value) == 3) {
+  if (sscanf(modalias.c_str(), "bluetooth:v%04xp%04xd%04x", &vendor_value,
+             &product_value, &device_value) == 3) {
     source_value = BluetoothDevice::VENDOR_ID_BLUETOOTH;
-  } else if (sscanf(modalias.c_str(), "usb:v%04xp%04xd%04x",
-                    &vendor_value, &product_value, &device_value) == 3) {
+  } else if (sscanf(modalias.c_str(), "usb:v%04xp%04xd%04x", &vendor_value,
+                    &product_value, &device_value) == 3) {
     source_value = BluetoothDevice::VENDOR_ID_USB;
   } else {
     return;
   }
 
   if (vendor_id_source != NULL)
     *vendor_id_source = source_value;
   if (vendor_id != NULL)
     *vendor_id = vendor_value;
   if (product_id != NULL)
@@ skipping 23 matching lines @@
     case BluetoothDevice::ERROR_AUTH_TIMEOUT:
       pairing_result = UMA_PAIRING_RESULT_AUTH_TIMEOUT;
       break;
     case BluetoothDevice::ERROR_UNSUPPORTED_DEVICE:
       pairing_result = UMA_PAIRING_RESULT_UNSUPPORTED_DEVICE;
       break;
     default:
       pairing_result = UMA_PAIRING_RESULT_UNKNOWN_ERROR;
   }
 
-  UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult",
-                            pairing_result,
+  UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult", pairing_result,
                             UMA_PAIRING_RESULT_COUNT);
 }
 
 BluetoothDevice::ConnectErrorCode DBusErrorToConnectError(
     const std::string& error_name) {
   BluetoothDevice::ConnectErrorCode error_code = BluetoothDevice::ERROR_UNKNOWN;
   if (error_name == bluetooth_device::kErrorConnectionAttemptFailed) {
     error_code = BluetoothDevice::ERROR_FAILED;
   } else if (error_name == bluetooth_device::kErrorFailed) {
     error_code = BluetoothDevice::ERROR_FAILED;
   } else if (error_name == bluetooth_device::kErrorAuthenticationFailed) {
     error_code = BluetoothDevice::ERROR_AUTH_FAILED;
   } else if (error_name == bluetooth_device::kErrorAuthenticationCanceled) {
     error_code = BluetoothDevice::ERROR_AUTH_CANCELED;
   } else if (error_name == bluetooth_device::kErrorAuthenticationRejected) {
     error_code = BluetoothDevice::ERROR_AUTH_REJECTED;
   } else if (error_name == bluetooth_device::kErrorAuthenticationTimeout) {
     error_code = BluetoothDevice::ERROR_AUTH_TIMEOUT;
   }
   return error_code;
 }
 
 }  // namespace
 
-namespace chromeos {
+namespace bluez {
 
-BluetoothDeviceChromeOS::BluetoothDeviceChromeOS(
-    BluetoothAdapterChromeOS* adapter,
+BluetoothDeviceBlueZ::BluetoothDeviceBlueZ(
+    BluetoothAdapterBlueZ* adapter,
     const dbus::ObjectPath& object_path,
     scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
     scoped_refptr<device::BluetoothSocketThread> socket_thread)
     : BluetoothDevice(adapter),
       object_path_(object_path),
       num_connecting_calls_(0),
       connection_monitor_started_(false),
       ui_task_runner_(ui_task_runner),
       socket_thread_(socket_thread),
       weak_ptr_factory_(this) {
   bluez::BluezDBusManager::Get()->GetBluetoothGattServiceClient()->AddObserver(
       this);
 
   // Add all known GATT services.
   const std::vector<dbus::ObjectPath> gatt_services =
       bluez::BluezDBusManager::Get()
           ->GetBluetoothGattServiceClient()
           ->GetServices();
   for (std::vector<dbus::ObjectPath>::const_iterator it = gatt_services.begin();
        it != gatt_services.end(); ++it) {
     GattServiceAdded(*it);
   }
 }
 
-BluetoothDeviceChromeOS::~BluetoothDeviceChromeOS() {
+BluetoothDeviceBlueZ::~BluetoothDeviceBlueZ() {
   bluez::BluezDBusManager::Get()
       ->GetBluetoothGattServiceClient()
       ->RemoveObserver(this);
 
   // Copy the GATT services list here and clear the original so that when we
   // send GattServiceRemoved(), GetGattServices() returns no services.
   GattServiceMap gatt_services_swapped;
   gatt_services_swapped.swap(gatt_services_);
   for (const auto& iter : gatt_services_swapped) {
     DCHECK(adapter_);
     adapter()->NotifyGattServiceRemoved(
-        static_cast<BluetoothRemoteGattServiceChromeOS*>(iter.second));
+        static_cast<BluetoothRemoteGattServiceBlueZ*>(iter.second));
   }
 }
 
-uint32 BluetoothDeviceChromeOS::GetBluetoothClass() const {
+uint32 BluetoothDeviceBlueZ::GetBluetoothClass() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   return properties->bluetooth_class.value();
 }
 
-std::string BluetoothDeviceChromeOS::GetDeviceName() const {
+std::string BluetoothDeviceBlueZ::GetDeviceName() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   return properties->alias.value();
 }
 
-void BluetoothDeviceChromeOS::CreateGattConnectionImpl() {
-  // ChromeOS implementation does not use the default CreateGattConnection
+void BluetoothDeviceBlueZ::CreateGattConnectionImpl() {
+  // BlueZ implementation does not use the default CreateGattConnection
   // implementation.
   NOTIMPLEMENTED();
 }
 
-void BluetoothDeviceChromeOS::DisconnectGatt() {
-  // ChromeOS implementation does not use the default CreateGattConnection
+void BluetoothDeviceBlueZ::DisconnectGatt() {
+  // BlueZ implementation does not use the default CreateGattConnection
   // implementation.
   NOTIMPLEMENTED();
 }
 
-std::string BluetoothDeviceChromeOS::GetAddress() const {
+std::string BluetoothDeviceBlueZ::GetAddress() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   return CanonicalizeAddress(properties->address.value());
 }
 
-BluetoothDevice::VendorIDSource
-BluetoothDeviceChromeOS::GetVendorIDSource() const {
+BluetoothDevice::VendorIDSource BluetoothDeviceBlueZ::GetVendorIDSource()
+    const {
   VendorIDSource vendor_id_source = VENDOR_ID_UNKNOWN;
   ParseModalias(object_path_, &vendor_id_source, NULL, NULL, NULL);
   return vendor_id_source;
 }
 
-uint16 BluetoothDeviceChromeOS::GetVendorID() const {
-  uint16 vendor_id  = 0;
+uint16 BluetoothDeviceBlueZ::GetVendorID() const {
+  uint16 vendor_id = 0;
   ParseModalias(object_path_, NULL, &vendor_id, NULL, NULL);
   return vendor_id;
 }
 
-uint16 BluetoothDeviceChromeOS::GetProductID() const {
-  uint16 product_id  = 0;
+uint16 BluetoothDeviceBlueZ::GetProductID() const {
+  uint16 product_id = 0;
   ParseModalias(object_path_, NULL, NULL, &product_id, NULL);
   return product_id;
 }
 
-uint16 BluetoothDeviceChromeOS::GetDeviceID() const {
-  uint16 device_id  = 0;
+uint16 BluetoothDeviceBlueZ::GetDeviceID() const {
+  uint16 device_id = 0;
   ParseModalias(object_path_, NULL, NULL, NULL, &device_id);
   return device_id;
 }
 
-bool BluetoothDeviceChromeOS::IsPaired() const {
+bool BluetoothDeviceBlueZ::IsPaired() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   // Trusted devices are devices that don't support pairing but that the
   // user has explicitly connected; it makes no sense for UI purposes to
   // treat them differently from each other.
   return properties->paired.value() || properties->trusted.value();
 }
 
-bool BluetoothDeviceChromeOS::IsConnected() const {
+bool BluetoothDeviceBlueZ::IsConnected() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   return properties->connected.value();
 }
 
-bool BluetoothDeviceChromeOS::IsGattConnected() const {
+bool BluetoothDeviceBlueZ::IsGattConnected() const {
   NOTIMPLEMENTED();
   return false;
 }
 
-bool BluetoothDeviceChromeOS::IsConnectable() const {
+bool BluetoothDeviceBlueZ::IsConnectable() const {
   bluez::BluetoothInputClient::Properties* input_properties =
       bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->GetProperties(
           object_path_);
   // GetProperties returns NULL when the device does not implement the given
   // interface. Non HID devices are normally connectable.
   if (!input_properties)
     return true;
 
   return input_properties->reconnect_mode.value() != "device";
 }
 
-bool BluetoothDeviceChromeOS::IsConnecting() const {
+bool BluetoothDeviceBlueZ::IsConnecting() const {
   return num_connecting_calls_ > 0;
 }
 
-BluetoothDeviceChromeOS::UUIDList BluetoothDeviceChromeOS::GetUUIDs() const {
+BluetoothDeviceBlueZ::UUIDList BluetoothDeviceBlueZ::GetUUIDs() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   std::vector<device::BluetoothUUID> uuids;
-  const std::vector<std::string> &dbus_uuids = properties->uuids.value();
+  const std::vector<std::string>& dbus_uuids = properties->uuids.value();
   for (std::vector<std::string>::const_iterator iter = dbus_uuids.begin();
        iter != dbus_uuids.end(); ++iter) {
     device::BluetoothUUID uuid(*iter);
     DCHECK(uuid.IsValid());
     uuids.push_back(uuid);
   }
   return uuids;
 }
 
-int16 BluetoothDeviceChromeOS::GetInquiryRSSI() const {
+int16 BluetoothDeviceBlueZ::GetInquiryRSSI() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   if (!properties->rssi.is_valid())
     return kUnknownPower;
 
   return properties->rssi.value();
 }
 
-int16 BluetoothDeviceChromeOS::GetInquiryTxPower() const {
+int16 BluetoothDeviceBlueZ::GetInquiryTxPower() const {
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   DCHECK(properties);
 
   if (!properties->tx_power.is_valid())
     return kUnknownPower;
 
   return properties->tx_power.value();
 }
 
-bool BluetoothDeviceChromeOS::ExpectingPinCode() const {
+bool BluetoothDeviceBlueZ::ExpectingPinCode() const {
   return pairing_.get() && pairing_->ExpectingPinCode();
 }
 
-bool BluetoothDeviceChromeOS::ExpectingPasskey() const {
+bool BluetoothDeviceBlueZ::ExpectingPasskey() const {
   return pairing_.get() && pairing_->ExpectingPasskey();
 }
 
-bool BluetoothDeviceChromeOS::ExpectingConfirmation() const {
+bool BluetoothDeviceBlueZ::ExpectingConfirmation() const {
   return pairing_.get() && pairing_->ExpectingConfirmation();
 }
 
-void BluetoothDeviceChromeOS::GetConnectionInfo(
+void BluetoothDeviceBlueZ::GetConnectionInfo(
     const ConnectionInfoCallback& callback) {
   // DBus method call should gracefully return an error if the device is not
   // currently connected.
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetConnInfo(
-      object_path_, base::Bind(&BluetoothDeviceChromeOS::OnGetConnInfo,
+      object_path_, base::Bind(&BluetoothDeviceBlueZ::OnGetConnInfo,
                                weak_ptr_factory_.GetWeakPtr(), callback),
-      base::Bind(&BluetoothDeviceChromeOS::OnGetConnInfoError,
+      base::Bind(&BluetoothDeviceBlueZ::OnGetConnInfoError,
                  weak_ptr_factory_.GetWeakPtr(), callback));
 }
 
-void BluetoothDeviceChromeOS::Connect(
+void BluetoothDeviceBlueZ::Connect(
     BluetoothDevice::PairingDelegate* pairing_delegate,
     const base::Closure& callback,
     const ConnectErrorCallback& error_callback) {
   if (num_connecting_calls_++ == 0)
     adapter()->NotifyDeviceChanged(this);
 
   VLOG(1) << object_path_.value() << ": Connecting, " << num_connecting_calls_
           << " in progress";
 
   if (IsPaired() || !pairing_delegate || !IsPairable()) {
     // No need to pair, or unable to, skip straight to connection.
     ConnectInternal(false, callback, error_callback);
   } else {
     // Initiate high-security connection with pairing.
     BeginPairing(pairing_delegate);
 
     bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Pair(
         object_path_,
-        base::Bind(&BluetoothDeviceChromeOS::OnPairDuringConnect,
+        base::Bind(&BluetoothDeviceBlueZ::OnPairDuringConnect,
                    weak_ptr_factory_.GetWeakPtr(), callback, error_callback),
-        base::Bind(&BluetoothDeviceChromeOS::OnPairDuringConnectError,
+        base::Bind(&BluetoothDeviceBlueZ::OnPairDuringConnectError,
                    weak_ptr_factory_.GetWeakPtr(), error_callback));
   }
 }
 
-void BluetoothDeviceChromeOS::Pair(
+void BluetoothDeviceBlueZ::Pair(
     BluetoothDevice::PairingDelegate* pairing_delegate,
     const base::Closure& callback,
     const ConnectErrorCallback& error_callback) {
   DCHECK(pairing_delegate);
   BeginPairing(pairing_delegate);
 
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Pair(
-      object_path_, base::Bind(&BluetoothDeviceChromeOS::OnPair,
+      object_path_, base::Bind(&BluetoothDeviceBlueZ::OnPair,
                                weak_ptr_factory_.GetWeakPtr(), callback),
-      base::Bind(&BluetoothDeviceChromeOS::OnPairError,
+      base::Bind(&BluetoothDeviceBlueZ::OnPairError,
                  weak_ptr_factory_.GetWeakPtr(), error_callback));
 }
 
-void BluetoothDeviceChromeOS::SetPinCode(const std::string& pincode) {
+void BluetoothDeviceBlueZ::SetPinCode(const std::string& pincode) {
   if (!pairing_.get())
     return;
 
   pairing_->SetPinCode(pincode);
 }
 
-void BluetoothDeviceChromeOS::SetPasskey(uint32 passkey) {
+void BluetoothDeviceBlueZ::SetPasskey(uint32 passkey) {
   if (!pairing_.get())
     return;
 
   pairing_->SetPasskey(passkey);
 }
 
-void BluetoothDeviceChromeOS::ConfirmPairing() {
+void BluetoothDeviceBlueZ::ConfirmPairing() {
   if (!pairing_.get())
     return;
 
   pairing_->ConfirmPairing();
 }
 
-void BluetoothDeviceChromeOS::RejectPairing() {
+void BluetoothDeviceBlueZ::RejectPairing() {
   if (!pairing_.get())
     return;
 
   pairing_->RejectPairing();
 }
 
-void BluetoothDeviceChromeOS::CancelPairing() {
+void BluetoothDeviceBlueZ::CancelPairing() {
   bool canceled = false;
 
   // If there is a callback in progress that we can reply to then use that
   // to cancel the current pairing request.
   if (pairing_.get() && pairing_->CancelPairing())
     canceled = true;
 
   // If not we have to send an explicit CancelPairing() to the device instead.
   if (!canceled) {
     VLOG(1) << object_path_.value() << ": No pairing context or callback. "
             << "Sending explicit cancel";
     bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->CancelPairing(
         object_path_, base::Bind(&base::DoNothing),
-        base::Bind(&BluetoothDeviceChromeOS::OnCancelPairingError,
+        base::Bind(&BluetoothDeviceBlueZ::OnCancelPairingError,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
   // Since there is no callback to this method it's possible that the pairing
   // delegate is going to be freed before things complete (indeed it's
   // documented that this is the method you should call while freeing the
   // pairing delegate), so clear our the context holding on to it.
   EndPairing();
 }
 
-void BluetoothDeviceChromeOS::Disconnect(const base::Closure& callback,
-                                         const ErrorCallback& error_callback) {
+void BluetoothDeviceBlueZ::Disconnect(const base::Closure& callback,
+                                      const ErrorCallback& error_callback) {
   VLOG(1) << object_path_.value() << ": Disconnecting";
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Disconnect(
-      object_path_, base::Bind(&BluetoothDeviceChromeOS::OnDisconnect,
+      object_path_, base::Bind(&BluetoothDeviceBlueZ::OnDisconnect,
                                weak_ptr_factory_.GetWeakPtr(), callback),
-      base::Bind(&BluetoothDeviceChromeOS::OnDisconnectError,
+      base::Bind(&BluetoothDeviceBlueZ::OnDisconnectError,
                  weak_ptr_factory_.GetWeakPtr(), error_callback));
 }
 
-void BluetoothDeviceChromeOS::Forget(const ErrorCallback& error_callback) {
+void BluetoothDeviceBlueZ::Forget(const ErrorCallback& error_callback) {
   VLOG(1) << object_path_.value() << ": Removing device";
   bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->RemoveDevice(
       adapter()->object_path(), object_path_, base::Bind(&base::DoNothing),
-      base::Bind(&BluetoothDeviceChromeOS::OnForgetError,
+      base::Bind(&BluetoothDeviceBlueZ::OnForgetError,
                  weak_ptr_factory_.GetWeakPtr(), error_callback));
 }
 
-void BluetoothDeviceChromeOS::ConnectToService(
+void BluetoothDeviceBlueZ::ConnectToService(
     const BluetoothUUID& uuid,
     const ConnectToServiceCallback& callback,
     const ConnectToServiceErrorCallback& error_callback) {
-  VLOG(1) << object_path_.value() << ": Connecting to service: "
-          << uuid.canonical_value();
-  scoped_refptr<BluetoothSocketChromeOS> socket =
-      BluetoothSocketChromeOS::CreateBluetoothSocket(
-          ui_task_runner_, socket_thread_);
-  socket->Connect(this, uuid, BluetoothSocketChromeOS::SECURITY_LEVEL_MEDIUM,
+  VLOG(1) << object_path_.value()
+          << ": Connecting to service: " << uuid.canonical_value();
+  scoped_refptr<BluetoothSocketBlueZ> socket =
+      BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
+                                                  socket_thread_);
+  socket->Connect(this, uuid, BluetoothSocketBlueZ::SECURITY_LEVEL_MEDIUM,
                   base::Bind(callback, socket), error_callback);
 }
 
-void BluetoothDeviceChromeOS::ConnectToServiceInsecurely(
+void BluetoothDeviceBlueZ::ConnectToServiceInsecurely(
     const BluetoothUUID& uuid,
     const ConnectToServiceCallback& callback,
     const ConnectToServiceErrorCallback& error_callback) {
-  VLOG(1) << object_path_.value() << ": Connecting insecurely to service: "
-          << uuid.canonical_value();
-  scoped_refptr<BluetoothSocketChromeOS> socket =
-      BluetoothSocketChromeOS::CreateBluetoothSocket(
-          ui_task_runner_, socket_thread_);
-  socket->Connect(this, uuid, BluetoothSocketChromeOS::SECURITY_LEVEL_LOW,
+  VLOG(1) << object_path_.value()
+          << ": Connecting insecurely to service: " << uuid.canonical_value();
+  scoped_refptr<BluetoothSocketBlueZ> socket =
+      BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
+                                                  socket_thread_);
+  socket->Connect(this, uuid, BluetoothSocketBlueZ::SECURITY_LEVEL_LOW,
                   base::Bind(callback, socket), error_callback);
 }
 
-void BluetoothDeviceChromeOS::CreateGattConnection(
-      const GattConnectionCallback& callback,
-      const ConnectErrorCallback& error_callback) {
+void BluetoothDeviceBlueZ::CreateGattConnection(
+    const GattConnectionCallback& callback,
+    const ConnectErrorCallback& error_callback) {
   // TODO(sacomoto): Workaround to retrieve the connection for already connected
   // devices. Currently, BluetoothGattConnection::Disconnect doesn't do
   // anything, the unique underlying physical GATT connection is kept. This
   // should be removed once the correct behavour is implemented and the GATT
   // connections are reference counted (see todo below).
   if (IsConnected()) {
     OnCreateGattConnection(callback);
     return;
   }
 
   // TODO(armansito): Until there is a way to create a reference counted GATT
   // connection in bluetoothd, simply do a regular connect.
-  Connect(NULL,
-          base::Bind(&BluetoothDeviceChromeOS::OnCreateGattConnection,
-                     weak_ptr_factory_.GetWeakPtr(),
-                     callback),
+  Connect(NULL, base::Bind(&BluetoothDeviceBlueZ::OnCreateGattConnection,
+                           weak_ptr_factory_.GetWeakPtr(), callback),
           error_callback);
 }
 
-BluetoothPairingChromeOS* BluetoothDeviceChromeOS::BeginPairing(
+BluetoothPairingBlueZ* BluetoothDeviceBlueZ::BeginPairing(
     BluetoothDevice::PairingDelegate* pairing_delegate) {
-  pairing_.reset(new BluetoothPairingChromeOS(this, pairing_delegate));
+  pairing_.reset(new BluetoothPairingBlueZ(this, pairing_delegate));
   return pairing_.get();
 }
 
-void BluetoothDeviceChromeOS::EndPairing() {
+void BluetoothDeviceBlueZ::EndPairing() {
   pairing_.reset();
 }
 
-BluetoothPairingChromeOS* BluetoothDeviceChromeOS::GetPairing() const {
+BluetoothPairingBlueZ* BluetoothDeviceBlueZ::GetPairing() const {
   return pairing_.get();
 }
 
-BluetoothAdapterChromeOS* BluetoothDeviceChromeOS::adapter() const {
-  return static_cast<BluetoothAdapterChromeOS*>(adapter_);
+BluetoothAdapterBlueZ* BluetoothDeviceBlueZ::adapter() const {
+  return static_cast<BluetoothAdapterBlueZ*>(adapter_);
 }
 
-void BluetoothDeviceChromeOS::GattServiceAdded(
+void BluetoothDeviceBlueZ::GattServiceAdded(
     const dbus::ObjectPath& object_path) {
   if (GetGattService(object_path.value())) {
     VLOG(1) << "Remote GATT service already exists: " << object_path.value();
     return;
   }
 
   bluez::BluetoothGattServiceClient::Properties* properties =
       bluez::BluezDBusManager::Get()
           ->GetBluetoothGattServiceClient()
           ->GetProperties(object_path);
   DCHECK(properties);
   if (properties->device.value() != object_path_) {
     VLOG(2) << "Remote GATT service does not belong to this device.";
     return;
   }
 
   VLOG(1) << "Adding new remote GATT service for device: " << GetAddress();
 
-  BluetoothRemoteGattServiceChromeOS* service =
-      new BluetoothRemoteGattServiceChromeOS(adapter(), this, object_path);
+  BluetoothRemoteGattServiceBlueZ* service =
+      new BluetoothRemoteGattServiceBlueZ(adapter(), this, object_path);
 
   gatt_services_.set(service->GetIdentifier(),
                      scoped_ptr<BluetoothGattService>(service));
   DCHECK(service->object_path() == object_path);
   DCHECK(service->GetUUID().IsValid());
 
   DCHECK(adapter_);
   adapter()->NotifyGattServiceAdded(service);
 }
 
-void BluetoothDeviceChromeOS::GattServiceRemoved(
+void BluetoothDeviceBlueZ::GattServiceRemoved(
     const dbus::ObjectPath& object_path) {
   GattServiceMap::const_iterator iter =
       gatt_services_.find(object_path.value());
   if (iter == gatt_services_.end()) {
     VLOG(3) << "Unknown GATT service removed: " << object_path.value();
     return;
   }
 
-  BluetoothRemoteGattServiceChromeOS* service =
-      static_cast<BluetoothRemoteGattServiceChromeOS*>(iter->second);
+  BluetoothRemoteGattServiceBlueZ* service =
+      static_cast<BluetoothRemoteGattServiceBlueZ*>(iter->second);
 
   VLOG(1) << "Removing remote GATT service with UUID: '"
           << service->GetUUID().canonical_value()
           << "' from device: " << GetAddress();
 
   DCHECK(service->object_path() == object_path);
   scoped_ptr<BluetoothGattService> scoped_service =
       gatt_services_.take_and_erase(iter->first);
 
   DCHECK(adapter_);
   adapter()->NotifyGattServiceRemoved(service);
 }
 
-void BluetoothDeviceChromeOS::OnGetConnInfo(
-    const ConnectionInfoCallback& callback,
-    int16 rssi,
-    int16 transmit_power,
-    int16 max_transmit_power) {
+void BluetoothDeviceBlueZ::OnGetConnInfo(const ConnectionInfoCallback& callback,
+                                         int16 rssi,
+                                         int16 transmit_power,
+                                         int16 max_transmit_power) {
   callback.Run(ConnectionInfo(rssi, transmit_power, max_transmit_power));
 }
 
-void BluetoothDeviceChromeOS::OnGetConnInfoError(
+void BluetoothDeviceBlueZ::OnGetConnInfoError(
     const ConnectionInfoCallback& callback,
     const std::string& error_name,
     const std::string& error_message) {
   LOG(WARNING) << object_path_.value()
                << ": Failed to get connection info: " << error_name << ": "
                << error_message;
   callback.Run(ConnectionInfo());
 }
 
-void BluetoothDeviceChromeOS::ConnectInternal(
+void BluetoothDeviceBlueZ::ConnectInternal(
     bool after_pairing,
     const base::Closure& callback,
     const ConnectErrorCallback& error_callback) {
   VLOG(1) << object_path_.value() << ": Connecting";
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->Connect(
       object_path_,
-      base::Bind(&BluetoothDeviceChromeOS::OnConnect,
+      base::Bind(&BluetoothDeviceBlueZ::OnConnect,
                  weak_ptr_factory_.GetWeakPtr(), after_pairing, callback),
-      base::Bind(&BluetoothDeviceChromeOS::OnConnectError,
+      base::Bind(&BluetoothDeviceBlueZ::OnConnectError,
                  weak_ptr_factory_.GetWeakPtr(), after_pairing,
                  error_callback));
 }
 
-void BluetoothDeviceChromeOS::OnConnect(bool after_pairing,
-                                        const base::Closure& callback) {
+void BluetoothDeviceBlueZ::OnConnect(bool after_pairing,
+                                     const base::Closure& callback) {
   if (--num_connecting_calls_ == 0)
     adapter()->NotifyDeviceChanged(this);
 
   DCHECK(num_connecting_calls_ >= 0);
   VLOG(1) << object_path_.value() << ": Connected, " << num_connecting_calls_
-        << " still in progress";
+          << " still in progress";
 
   SetTrusted();
 
   if (after_pairing)
     UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult",
                               UMA_PAIRING_RESULT_SUCCESS,
                               UMA_PAIRING_RESULT_COUNT);
 
   callback.Run();
 }
 
-void BluetoothDeviceChromeOS::OnCreateGattConnection(
+void BluetoothDeviceBlueZ::OnCreateGattConnection(
     const GattConnectionCallback& callback) {
   scoped_ptr<device::BluetoothGattConnection> conn(
-      new BluetoothGattConnectionChromeOS(
-          adapter_, GetAddress(), object_path_));
+      new BluetoothGattConnectionBlueZ(adapter_, GetAddress(), object_path_));
   callback.Run(conn.Pass());
 }
 
-void BluetoothDeviceChromeOS::OnConnectError(
+void BluetoothDeviceBlueZ::OnConnectError(
     bool after_pairing,
     const ConnectErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
   if (--num_connecting_calls_ == 0)
     adapter()->NotifyDeviceChanged(this);
 
   DCHECK(num_connecting_calls_ >= 0);
-  LOG(WARNING) << object_path_.value() << ": Failed to connect device: "
-               << error_name << ": " << error_message;
+  LOG(WARNING) << object_path_.value()
+               << ": Failed to connect device: " << error_name << ": "
+               << error_message;
   VLOG(1) << object_path_.value() << ": " << num_connecting_calls_
           << " still in progress";
 
   // Determine the error code from error_name.
   ConnectErrorCode error_code = ERROR_UNKNOWN;
   if (error_name == bluetooth_device::kErrorFailed) {
     error_code = ERROR_FAILED;
   } else if (error_name == bluetooth_device::kErrorInProgress) {
     error_code = ERROR_INPROGRESS;
   } else if (error_name == bluetooth_device::kErrorNotSupported) {
     error_code = ERROR_UNSUPPORTED_DEVICE;
   }
 
   if (after_pairing)
     RecordPairingResult(error_code);
   error_callback.Run(error_code);
 }
 
-void BluetoothDeviceChromeOS::OnPairDuringConnect(
+void BluetoothDeviceBlueZ::OnPairDuringConnect(
     const base::Closure& callback,
     const ConnectErrorCallback& error_callback) {
   VLOG(1) << object_path_.value() << ": Paired";
 
   EndPairing();
 
   ConnectInternal(true, callback, error_callback);
 }
 
-void BluetoothDeviceChromeOS::OnPairDuringConnectError(
+void BluetoothDeviceBlueZ::OnPairDuringConnectError(
     const ConnectErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
   if (--num_connecting_calls_ == 0)
     adapter()->NotifyDeviceChanged(this);
 
   DCHECK(num_connecting_calls_ >= 0);
-  LOG(WARNING) << object_path_.value() << ": Failed to pair device: "
-               << error_name << ": " << error_message;
+  LOG(WARNING) << object_path_.value()
+               << ": Failed to pair device: " << error_name << ": "
+               << error_message;
   VLOG(1) << object_path_.value() << ": " << num_connecting_calls_
           << " still in progress";
 
   EndPairing();
 
   // Determine the error code from error_name.
   ConnectErrorCode error_code = DBusErrorToConnectError(error_name);
 
   RecordPairingResult(error_code);
   error_callback.Run(error_code);
 }
 
-void BluetoothDeviceChromeOS::OnPair(const base::Closure& callback) {
+void BluetoothDeviceBlueZ::OnPair(const base::Closure& callback) {
   VLOG(1) << object_path_.value() << ": Paired";
   EndPairing();
   callback.Run();
 }
 
-void BluetoothDeviceChromeOS::OnPairError(
+void BluetoothDeviceBlueZ::OnPairError(
     const ConnectErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
   LOG(WARNING) << object_path_.value()
                << ": Failed to pair device: " << error_name << ": "
                << error_message;
   EndPairing();
   ConnectErrorCode error_code = DBusErrorToConnectError(error_name);
   RecordPairingResult(error_code);
   error_callback.Run(error_code);
 }
 
-void BluetoothDeviceChromeOS::OnCancelPairingError(
+void BluetoothDeviceBlueZ::OnCancelPairingError(
     const std::string& error_name,
     const std::string& error_message) {
-  LOG(WARNING) << object_path_.value() << ": Failed to cancel pairing: "
-               << error_name << ": " << error_message;
+  LOG(WARNING) << object_path_.value()
+               << ": Failed to cancel pairing: " << error_name << ": "
+               << error_message;
 }
 
-void BluetoothDeviceChromeOS::SetTrusted() {
+void BluetoothDeviceBlueZ::SetTrusted() {
   // Unconditionally send the property change, rather than checking the value
   // first; there's no harm in doing this and it solves any race conditions
   // with the property becoming true or false and this call happening before
   // we get the D-Bus signal about the earlier change.
   bluez::BluezDBusManager::Get()
       ->GetBluetoothDeviceClient()
       ->GetProperties(object_path_)
-      ->trusted.Set(true, base::Bind(&BluetoothDeviceChromeOS::OnSetTrusted,
+      ->trusted.Set(true, base::Bind(&BluetoothDeviceBlueZ::OnSetTrusted,
                                      weak_ptr_factory_.GetWeakPtr()));
 }
 
-void BluetoothDeviceChromeOS::OnSetTrusted(bool success) {
+void BluetoothDeviceBlueZ::OnSetTrusted(bool success) {
   LOG_IF(WARNING, !success) << object_path_.value()
                             << ": Failed to set device as trusted";
 }
 
-void BluetoothDeviceChromeOS::OnDisconnect(const base::Closure& callback) {
+void BluetoothDeviceBlueZ::OnDisconnect(const base::Closure& callback) {
   VLOG(1) << object_path_.value() << ": Disconnected";
   callback.Run();
 }
 
-void BluetoothDeviceChromeOS::OnDisconnectError(
+void BluetoothDeviceBlueZ::OnDisconnectError(
     const ErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
-  LOG(WARNING) << object_path_.value() << ": Failed to disconnect device: "
-               << error_name << ": " << error_message;
+  LOG(WARNING) << object_path_.value()
+               << ": Failed to disconnect device: " << error_name << ": "
+               << error_message;
   error_callback.Run();
 }
 
-void BluetoothDeviceChromeOS::OnForgetError(
-    const ErrorCallback& error_callback,
-    const std::string& error_name,
-    const std::string& error_message) {
-  LOG(WARNING) << object_path_.value() << ": Failed to remove device: "
-               << error_name << ": " << error_message;
+void BluetoothDeviceBlueZ::OnForgetError(const ErrorCallback& error_callback,
+                                         const std::string& error_name,
+                                         const std::string& error_message) {
+  LOG(WARNING) << object_path_.value()
+               << ": Failed to remove device: " << error_name << ": "
+               << error_message;
   error_callback.Run();
 }
 
-}  // namespace chromeos
+}  // namespace bluez